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127 buckthorn family species
Ceanothus ophiochilus
Ceanothus palmeri
Ceanothus parvifolius
Ceanothus perplexans
Ceanothus pinetorum
Ceanothus rigidus
Ceanothus roderickii
Ceanothus sonomensis
Ceanothus tomentosus
Ceanothus verrucosus
Rhamnus pilosa
Rhamnus pirifolia
Paliurus spina-christi
Condalia hookeri
Alphitonia ponderosa
Ceanothus griseus
Ceanothus microphyllus
Colubrina arborescens
Colubrina elliptica
Colubrina greggii
Colubrina oppositifolia
Condalia warnockii
Gouania lupuloides
Hovenia dulcis
Sageretia minutiflora
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